condition	mean	min	max
4 h after light	9.306953333333334	9.21221	9.35668
8 h after light	9.50461	9.41418	9.629539999999999
12 h after light	9.54691	9.45615	9.61732
4 h after dark	9.33234	9.27225	9.439119999999999
8 h after dark	9.34963	9.26302	9.43778
12 h after dark	9.2787	9.20823	9.39315